Across
- 3. earthquakes strength
- 7. records ground movements
- 8. shaking that comes from moving plates
- 10. above the focus
- 11. where magma melts trough earths crust
- 12. scale that gets an earthquakes magnitude from seismic waves
- 14. waves in which the shaking is perpendicular to the waves
- 17. weak spot where magma came through the surface
- 18. a line of volcanoes around the pacific ocean
- 20. transfer of heat energy
- 21. waves that compress and expand underground
Down
- 1. measurement of mass
- 2. the worlds single land mass 200 million years ago
- 4. waves forms when s and p waves reach the surface
- 5. movement of fluid from temperature of liquid
- 6. liquid magma
- 9. acts on rock to break or change its form
- 13. energy transfer from electromagnetic waves
- 15. transfer of heat from liquid
- 16. molten mix of rocks, water and gases
- 19. where the rock first breaks